<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">单点登录系统</h3>
      </div>

      <el-form-item prop="phone">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="phone"
          v-model="loginForm.phone"
          placeholder="请输入账号或手机号"
          name="phone"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登录</el-button>
      <div class="title-container">
        <h5 class="info">没有账号？<a @click="goRegister">去注册</a></h5>
      </div>
      
    </el-form>
  </div>
</template>

<script>
import settings from '../../settings'
import axios from 'axios'
import { Message } from 'element-ui'

const sha256 = require("js-sha256").sha256;

export default {
  name: 'Login',
  data() {
    const validatePassword = (rule, value, callback) => {
      if (value && value.length < 6) {
        callback(new Error('密码长度需大于6位'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        phone: null,
        password: null
      },
      loginRules: {
        phone: [{ required: true, trigger: 'blur' }],
        password: [
          { required: true, trigger: 'blur' },
          { validator: validatePassword, trigger: 'blur' }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      var self = this.$route
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          if (settings.sso) {
            // sso服务开启
            const that = this
            axios({
              headers: {
                'Content-Type': 'application/json',
                Authorization: settings.authorization,
                SystemID: settings.systemId
              },
              method: 'POST',
              url: settings.ssoService.accessToken,
              data: {
                username: this.loginForm.phone,
                password: sha256(this.loginForm.password),
                grant_type: 'password',
                scope: 'all'
              },
              withCredentials: false,
              timeout: 30 * 1000
            }).then(response => {
              let resultData = {
                access_token: '',
                refresh_token: '',
                token_type: '',
                expires_in: '',
                username: ''
              }
              if(response.data.code === 200){
                resultData = response.data.data
                if (window.localStorage) {
                  localStorage.setItem('access_token', resultData.access_token)
                  localStorage.setItem('refresh_token', resultData.refresh_token)
                  localStorage.setItem('token_type', resultData.token_type)
                  localStorage.setItem('expires_in', resultData.expires_in)
                  localStorage.setItem('username', resultData.username)
                  localStorage.setItem('userName', resultData.userName)
                  localStorage.setItem('id', resultData.userId)
                  localStorage.setItem('role', resultData.type)
                  debugger
                  if(this.$route.query.returnUrl){
                    window.location = decodeURIComponent(this.$route.fullPath).split("returnUrl=")[1]
                    + '?access_token=' + localStorage.getItem('access_token')
                    + '&refresh_token=' + localStorage.getItem('refresh_token')
                    + '&token_type=' + localStorage.getItem('token_type')
                    + '&expires_in=' + localStorage.getItem('expires_in')
                    + '&username=' + localStorage.getItem('username')
                    + '&userName=' + localStorage.getItem('userName')
                    + '&id=' + localStorage.getItem('id')
                    + '&role=' + localStorage.getItem('role')
                  }
                  // 跳转页面
                  this.$router.push({ path: '/' })
                } else {
                  alert('此浏览器不支持保存用户登录信息，请更换Chrome浏览器')
                }
              }else {
                alert(response.data.msg)
              }
              that.loading = false
            }).catch(function(error) {
              if (error.response) {
                Message({
                  message: error.response.data.message,
                  type: 'error',
                  duration: 5 * 1000
                })
              } else {
                Message({
                  message: error.message,
                  type: 'error',
                  duration: 5 * 1000
                })
              }
              that.loading = false
            })
          } else {
            this.$store.dispatch('user/login', this.loginForm).then(() => {
              this.$router.push({ path: '/' })
              this.loading = false
            }).catch(() => {
              this.loading = false
            })
          }
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    goRegister(){
      
      this.$router.push({ path: 'register' })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
    .info {
      font-size: 15px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: right;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
